1. Tyra Banks

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One in five American adults struggles with irritable bowel syndrome
(IBS), a condition that triggers gas, bloating, cramping, diarrhea and
constipation. TV show host, diva extraordinaire Tyra Banks is one of
them.

As Banks explained to Janet Jackson on an episode of her talk
show, "I'm very gassy, but I feel like I can telegraph my farts … if it
is going to be funky, I'll let it out and I'll be like 'Dang! Who did
that?'"

Researchers suspect IBS is caused by poor diet, food
intolerances, medications, overgrowth of bad gut bacteria, and abnormal
serotonin levels in the intestines—yes your brain isn’t the only organ
that secretes this chemical, which acts as a neurotransmitter in the
brain and a hormone in the gut.